MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Butyric acid
An acid that has four carbons in it. The formula for butyric acid is: CH3-CH2-CH2-COOH
Read the definitionRandom terms
Show more- Hydrocephalus, communicating Hydrocephalus in which there is no obstruction to the flow of the cerebrospinal fluid (CSF). Specifically…
- Cataract, secondary A cataract that develops secondary to another disease or surgery. The other disease may, for example, be…
- Triptan A class of drugs introduced in the 1990s for the treatment of migraine that act as agonists for…
- XXX syndrome A chromosome condition present in 1 in 1000 females, due to the presence of three X chromosomes rather than…
- Cousin marriage Marriage involving cousins. Everyone carries rare recessive alleles, rare genes that are generally innocuous…
- Acupuncturist A person skilled in the practice of acupuncture, who may or may not be credentialed by a national accrediting…
- Clinical cytogenetics The application of chromosome studies to clinical medicine. For example, clinical cytogenetic testing is done…
- Seminal vesicle A structure in the male that is about 5 centimeters (2 inches) long and is located behind the bladder and…
- Hypopharyngeal diverticulum See: Zenker diverticulum
- Etiology The study of the causes. For example, of a disorder. The word 'etiology' is mainly used in medicine, where it…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Antimony A silvery-white earth metal which at high levels can be toxic. Antimony occurs naturally in the earth…